A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail every second.

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

Explore why the CIA issued a 'Glomar response' regarding the 3I/ATLAS interstellar object. Learn about Avi Loeb's theories on ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

For now, the alien spacecraft theory remains unproven. Advocates insist that more studies and evidence are needed before they ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

Astronomers have just confirmed for the first time the existence of a "rogue planet"—a world drifting in space without being ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...